Difference between revisions of "Regex regular expressions"

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= PCRE Perl Compatible Regular Expressions =  
= PCRE Perl Compatible Regular Expressions =  
This also covers '''Notepad ++'''
  regex like [\r\n]+ matches CRLF in Notepad ++
  regex like [\r\n]+ matches CRLF in Notepad ++
== Notetad++ ==
Find, replace and remove matching line. Find any occurances of <code>help</help>, ending with <code>\r?\n</code>. <code>\r</code> is optional in case the file doesn't have Windows line endings.
<source>
Find what: ^help\r?\n
Replace with:
</source>
=== Resources ===
*[https://stackoverflow.com/questions/5876296/regex-remove-lines-containing regex-remove-lines-containing] Stackoverflow


= Websense =
= Websense =

Revision as of 17:43, 22 October 2018

General expressions

+ -unlimited string
\ -escape/protect character
/[abc]+/ -matches a bb ccc

PCRE Perl Compatible Regular Expressions

This also covers Notepad ++

regex like [\r\n]+ matches CRLF in Notepad ++

Notetad++

Find, replace and remove matching line. Find any occurances of help</help>, ending with \r?\n. \r is optional in case the file doesn't have Windows line endings.

Find what: ^help\r?\n
Replace with:

Resources

Websense

It accepts reg expresions with limited form example:

  • (.) -same as * wildcard matches any lengh of string and brackets are RegEx delimiters

References